Antenna



FIG. 1 is a front elevation view of an antenna, showing my new design;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front angled view thereof;

FIG. 8 is a rear angled view thereof; and,

FIG. 9 is a front angled view of the antenna attached with a satellite antenna.

The broken lines represent unclaimed features that form no part of the claimed design. 

CLAIM The ornamental design for an antenna, as shown and described. 